diff options
Diffstat (limited to 'src/render8 orr.S')
| -rw-r--r-- | src/render8 orr.S | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/render8 orr.S b/src/render8 orr.S new file mode 100644 index 0000000..aaff045 --- /dev/null +++ b/src/render8 orr.S @@ -0,0 +1,218 @@ + .global asmDrawTile8_noflip
+ .global asmDrawTile8_hflip
+ .global asmDrawTile8_hvflip
+ .global asmDrawTile8_vflip
+ .global asmDrawTile8T_noflip
+ .global asmDrawTile8T_hflip
+ .global asmDrawTile8T_hvflip
+ .global asmDrawTile8T_vflip
+
+ ;@ ###############################
+ .macro DRAWTILE_NOFLIP
+ ;@ ###############################
+ ldr r3,[r0],#4
+
+ ands r12,r3,#0x0000000F
+ orrne r12,r1,r12
+ strneb r12,[r2,#0]
+
+ ands r12,r3,#0x000000F0
+ orrne r12,r1,r12,lsr#4
+ strneb r12,[r2,#1]
+
+ ands r12,r3,#0x00000F00
+ orrne r12,r1,r12,lsr#8
+ strneb r12,[r2,#2]
+
+ ands r12,r3,#0x0000F000
+ orrne r12,r1,r12,lsr#12
+ strneb r12,[r2,#3]
+
+ ands r12,r3,#0x000F0000
+ orrne r12,r1,r12,lsr#16
+ strneb r12,[r2,#4]
+
+ ands r12,r3,#0x00F00000
+ orrne r12,r1,r12,lsr#20
+ strneb r12,[r2,#5]
+
+ ands r12,r3,#0x0F000000
+ orrne r12,r1,r12,lsr#24
+ strneb r12,[r2,#6]
+
+ ands r12,r3,#0xF0000000
+ orrne r12,r1,r12,lsr#28
+ strneb r12,[r2,#7]
+
+ add r2,r2,#320
+ .endm
+
+ ;@ ###############################
+ .macro DRAWTILE_HFLIP
+ ;@ ###############################
+ ldr r3,[r0],#4
+
+ ands r12,r3,#0x0000000F
+ orrne r12,r1,r12
+ strneb r12,[r2,#7]
+
+ ands r12,r3,#0x000000F0
+ orrne r12,r1,r12,lsr#4
+ strneb r12,[r2,#6]
+
+ ands r12,r3,#0x00000F00
+ orrne r12,r1,r12,lsr#8
+ strneb r12,[r2,#5]
+
+ ands r12,r3,#0x0000F000
+ orrne r12,r1,r12,lsr#12
+ strneb r12,[r2,#4]
+
+ ands r12,r3,#0x000F0000
+ orrne r12,r1,r12,lsr#16
+ strneb r12,[r2,#3]
+
+ ands r12,r3,#0x00F00000
+ orrne r12,r1,r12,lsr#20
+ strneb r12,[r2,#2]
+
+ ands r12,r3,#0x0F000000
+ orrne r12,r1,r12,lsr#24
+ strneb r12,[r2,#1]
+
+ ands r12,r3,#0xF0000000
+ orrne r12,r1,r12,lsr#28
+ strneb r12,[r2,#0]
+
+ add r2,r2,#320
+ .endm
+
+ ;@ ###############################
+ .macro DRAWTILE_HVFLIP
+ ;@ ###############################
+ ldr r3,[r0],#4
+
+ ands r12,r3,#0x0000000F
+ orrne r12,r1,r12
+ strneb r12,[r2,#7]
+
+ ands r12,r3,#0x000000F0
+ orrne r12,r1,r12,lsr#4
+ strneb r12,[r2,#6]
+
+ ands r12,r3,#0x00000F00
+ orrne r12,r1,r12,lsr#8
+ strneb r12,[r2,#5]
+
+ ands r12,r3,#0x0000F000
+ orrne r12,r1,r12,lsr#12
+ strneb r12,[r2,#4]
+
+ ands r12,r3,#0x000F0000
+ orrne r12,r1,r12,lsr#16
+ strneb r12,[r2,#3]
+
+ ands r12,r3,#0x00F00000
+ orrne r12,r1,r12,lsr#20
+ strneb r12,[r2,#2]
+
+ ands r12,r3,#0x0F000000
+ orrne r12,r1,r12,lsr#24
+ strneb r12,[r2,#1]
+
+ ands r12,r3,#0xF0000000
+ orrne r12,r1,r12,lsr#28
+ strneb r12,[r2,#0]
+
+ sub r2,r2,#320
+ .endm
+
+ ;@ ###############################
+ .macro DRAWTILE_VFLIP
+ ;@ ###############################
+ ldr r3,[r0],#4
+
+ ands r12,r3,#0x0000000F
+ orrne r12,r1,r12
+ strneb r12,[r2,#0]
+
+ ands r12,r3,#0x000000F0
+ orrne r12,r1,r12,lsr#4
+ strneb r12,[r2,#1]
+
+ ands r12,r3,#0x00000F00
+ orrne r12,r1,r12,lsr#8
+ strneb r12,[r2,#2]
+
+ ands r12,r3,#0x0000F000
+ orrne r12,r1,r12,lsr#12
+ strneb r12,[r2,#3]
+
+ ands r12,r3,#0x000F0000
+ orrne r12,r1,r12,lsr#16
+ strneb r12,[r2,#4]
+
+ ands r12,r3,#0x00F00000
+ orrne r12,r1,r12,lsr#20
+ strneb r12,[r2,#5]
+
+ ands r12,r3,#0x0F000000
+ orrne r12,r1,r12,lsr#24
+ strneb r12,[r2,#6]
+
+ ands r12,r3,#0xF0000000
+ orrne r12,r1,r12,lsr#28
+ strneb r12,[r2,#7]
+
+ sub r2,r2,#320
+ .endm
+
+
+asmDrawTile8_noflip:
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ DRAWTILE_NOFLIP
+ mov pc,lr
+
+asmDrawTile8_hflip:
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ DRAWTILE_HFLIP
+ mov pc,lr
+
+asmDrawTile8_hvflip:
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ DRAWTILE_HVFLIP
+ mov pc,lr
+
+asmDrawTile8_vflip:
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ DRAWTILE_VFLIP
+ mov pc,lr
+
+
+
+
+
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